Cancun UV index in May
Typical ultraviolet levels for Cancun during May, from the past year of data.
Extreme
Cancun
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.4
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
13.4261
Risk level
Extreme
Yearly peak
13.6015
Peak month
June
Cancun UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Cancun in May?
In May, Cancun's typical UV index is about 13.4261 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Cancun sees the strongest UV in Summer, peaking around 13.6015 in June. Plan sun protection accordingly.